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-rw-r--r--src/pugixml.cpp85
1 files changed, 47 insertions, 38 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index b9eab78..f733824 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -3035,10 +3035,11 @@ PUGI__NS_BEGIN
flush();
}
- void flush()
+ size_t flush()
{
flush(buffer, bufsize);
bufsize = 0;
+ return 0;
}
void flush(const char_t* data, size_t size)
@@ -3100,10 +3101,12 @@ PUGI__NS_BEGIN
void write(const char_t* data, size_t length)
{
- if (bufsize + length <= bufcapacity)
+ size_t offset = bufsize;
+
+ if (offset + length <= bufcapacity)
{
- memcpy(buffer + bufsize, data, length * sizeof(char_t));
- bufsize += length;
+ memcpy(buffer + offset, data, length * sizeof(char_t));
+ bufsize = offset + length;
}
else
{
@@ -3138,65 +3141,71 @@ PUGI__NS_BEGIN
void write(char_t d0)
{
- if (bufsize + 1 > bufcapacity) flush();
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 1) offset = flush();
- buffer[bufsize + 0] = d0;
- bufsize += 1;
+ buffer[offset + 0] = d0;
+ bufsize = offset + 1;
}
void write(char_t d0, char_t d1)
{
- if (bufsize + 2 > bufcapacity) flush();
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 2) offset = flush();
- buffer[bufsize + 0] = d0;
- buffer[bufsize + 1] = d1;
- bufsize += 2;
+ buffer[offset + 0] = d0;
+ buffer[offset + 1] = d1;
+ bufsize = offset + 2;
}
void write(char_t d0, char_t d1, char_t d2)
{
- if (bufsize + 3 > bufcapacity) flush();
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 3) offset = flush();
- buffer[bufsize + 0] = d0;
- buffer[bufsize + 1] = d1;
- buffer[bufsize + 2] = d2;
- bufsize += 3;
+ buffer[offset + 0] = d0;
+ buffer[offset + 1] = d1;
+ buffer[offset + 2] = d2;
+ bufsize = offset + 3;
}
void write(char_t d0, char_t d1, char_t d2, char_t d3)
{
- if (bufsize + 4 > bufcapacity) flush();
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 4) offset = flush();
- buffer[bufsize + 0] = d0;
- buffer[bufsize + 1] = d1;
- buffer[bufsize + 2] = d2;
- buffer[bufsize + 3] = d3;
- bufsize += 4;
+ buffer[offset + 0] = d0;
+ buffer[offset + 1] = d1;
+ buffer[offset + 2] = d2;
+ buffer[offset + 3] = d3;
+ bufsize = offset + 4;
}
void write(char_t d0, char_t d1, char_t d2, char_t d3, char_t d4)
{
- if (bufsize + 5 > bufcapacity) flush();
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 5) offset = flush();
- buffer[bufsize + 0] = d0;
- buffer[bufsize + 1] = d1;
- buffer[bufsize + 2] = d2;
- buffer[bufsize + 3] = d3;
- buffer[bufsize + 4] = d4;
- bufsize += 5;
+ buffer[offset + 0] = d0;
+ buffer[offset + 1] = d1;
+ buffer[offset + 2] = d2;
+ buffer[offset + 3] = d3;
+ buffer[offset + 4] = d4;
+ bufsize = offset + 5;
}
void write(char_t d0, char_t d1, char_t d2, char_t d3, char_t d4, char_t d5)
{
- if (bufsize + 6 > bufcapacity) flush();
-
- buffer[bufsize + 0] = d0;
- buffer[bufsize + 1] = d1;
- buffer[bufsize + 2] = d2;
- buffer[bufsize + 3] = d3;
- buffer[bufsize + 4] = d4;
- buffer[bufsize + 5] = d5;
- bufsize += 6;
+ size_t offset = bufsize;
+ if (offset > bufcapacity - 6) offset = flush();
+
+ buffer[offset + 0] = d0;
+ buffer[offset + 1] = d1;
+ buffer[offset + 2] = d2;
+ buffer[offset + 3] = d3;
+ buffer[offset + 4] = d4;
+ buffer[offset + 5] = d5;
+ bufsize = offset + 6;
}
// utf8 maximum expansion: x4 (-> utf32)